books.google.com.mx - Collection of "jurisprudencia" of the Mexican Supreme Court, originally published in its Semanario judicial de la Federación. Covers the years 1917 through 2000....https://books.google.com.mx/books/about/IUS_2000.html?id=kpg0LgEACAAJ&utm_source=gb-gplus-shareIUS 2000